On tour, Canas, Schnyder, Hrbaty, Stefano Galvani, and Ashley Fisher use Kirschbaum. Gaudio used to use Kirschbaum but now he appears to be using Luxilon(?). Last year's French Open looked like he was rockin BB original and now it seems to be more like alu-power but I dont know for sure.

Kirschbaum is pretty big in the junior/itf circuit. Tiago Fernandes who just made the quarters of the US Open junior uses pro line 2 and Yana Buchina (US Open finalist) uses either P2 or touch turbo.